Wavin Osma RoundLine
OSMA RoundLine offers you a classic half-round profile ideal for domestic buildings.
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Product name
Downloads
Size and colour
RoundLine is a 112mm (4½") half-round domestic gutter system with circular 68mm downpipe available in black, white, brown and grey colour options.
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Ease of installation
RoundLine is fitted with a ‘Flexiclip’ seal jointing mechanism, making it easy to connect gutter to fittings. Because the clip is flexed, rather than the whole component, this ensures a positive, permanently watertight joint.
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Design features
- For outstanding flow performance RoundLine features an hydrodynamic outlet to handle more rainwater than similarly sizes competitive systems.
- Using specialist seal technology our wide, retained seals provide a secure, watertight fixture with the flexibility to allow for thermal expansion.
- For an aesthetic pleasing finish, Wavin fittings have been engineered with concealed sockets to hide roughly cut downpipe ends.
- Expansion line and stopper for a secure and reliable installation.
![](https://eu-images.contentstack.com/v3/assets/blt573fdbfcb1106c2a/bltb494bd128ede29c4/63eba68275571133c3a94632/System_Roundline_DesignFeatures.png)
How to Videos
Visit the Osma Rainwater playlist on YouTube to play our range of videos covering subjects such as installing a guttering system, allowing for expansion, maintenance and an overview of StormLine, our premier high capacity ogee domestic rainwater system.
![](https://eu-images.contentstack.com/v3/assets/blt573fdbfcb1106c2a/blt7dc4cbae0d4f5a15/63eba64f9f706e14fe776d86/ee3d70a7-b09b-437d-adce-557cbc0325f2_Systems_RoundLine_Overview3.jpg)
What’s next?
You can keep up to date with new product ranges, systems and projects by signing up to our Newsletter.
And why not take this opportunity to have a look through our downloadable product guides, certifications and other literature.
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